^○Mitra L Taheri (Drexel University, Department of Materials Science & Engineering, United States of America)

^○Jing Luo¹, Yichao Zhu¹, Xu Guo¹, Yang Xiang³, Stephen Jonathan Chapman² (1.Dalian University of Technology, China, 2.Mathematical Institute, University of Oxford, UK, 3.Department of Mathematics, The Hong Kong University of Science and Technology, Hong Kong)

^○Shen J Dillon (University of Illinois , United States of America)